NewsMe: A case study for adaptive news systems with open user model

Adaptive news systems have become important in recent years. A lot of work has been put into developing these adaptation processes. We describe here an adaptive news system application, which uses an open user model and allow users to manipulate their interest profiles. We also present a study of the system. Our results showed that user profile manipulation should be used with caution. © 2007 IEEE

Theory-based user modeling for personalized interactive information retrieval

In an effort to improve users’ search experiences during their information seeking process, providing a personalized information retrieval system is proposed to be one of the effective approaches. To personalize the search systems requires a good understanding of the users. User modeling has been approved to be a good method for learning and representing users. Therefore many user modeling studies have been carried out and some user models have been developed. The majority of the user modeling studies applies inductive approach, and only small number of studies employs deductive approach. In this paper, an EISE (Extended Information goal, Search strategy and Evaluation threshold) user model is proposed, which uses the deductive approach based on psychology theories and an existing user model. Ten users’ interactive search log obtained from the real search engine is applied to validate the proposed user model. The preliminary validation results show that the EISE model can be applied to identify different types of users. The search preferences of the different user types can be applied to inform interactive search system design and development

Profiling Attitudes for Personalized Information Provision

PAROS is a generic system under design whose goal is to offer personalization, recommendation, and other adaptation services to information providing systems. In its heart lies a rich user model able to capture several diverse aspects of user behavior, interests, preferences, and other attitudes. The user model is instantiated with profiles of users, which are obtained by analyzing and appropriately interpreting potentially arbitrary pieces of user-relevant information coming from diverse sources. These profiles are maintained by the system, updated incrementally as additional data on users becomes available, and used by a variety of information systems to adapt the functionality to the users’ characteristics

Incorporating learning styles into the user model

In this paper, we show the main definitions of learning styles, and a summary of the opinions about the efficacy of learning styles. In addition, this paper explores the application of the Felder-Silverman learning style model to adaptive training courses delivered via the “World Wide Web”. Due to the newness of the Web, its features, benefits, limitations and requirements as a delivery medium for distance learning are largely unstudied and unverified. This paper presents an attempt to incorporate learning styles in adaptive web-based systems and links it to the larger context of web-based education. In sum, this piece of research offers new ideas concerning an Adaptive We-based Education system, which includes the extraction of student’s learning styles preferences and then modifying the course presentation. We have implemented a prototype that adapts the course structure to the student learning style. We suggest the application of the results of the ILS questionnaire to automatically adapt some dimensions of the Felder-Silverman model to the course content and structure. The underlying idea of adaptive hypermedia based on learning styles is quite simple: adapt the presentation of course material so that it is more conductive to each student learning the course. This tailoring should allow for student learning in the shortest possible period of time. This approach has the effect of removing the impact of the instructor’s learning and eaching style and allowing the student to see the material through the clear lenses of his own perspective and learning style.The Spanish Interdepartmental Commission of Science and Technology (CICYT), project number TIC2001-0685-C02-01, has sponsored this work